Articles
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Faster Layouts with CSS Grid (and Subgrid!)
CSS Grid has been available in most major browsers since early 2017, and it makes web layout more powerful than ever before. But complex-looking new syntax (line-names! grid-areas! minmax! fit-content! fr units!) and missing IE11 support can make it scary. Don’t let that stop you. Miriam Suzanne offers some basic approaches you can put to work today.
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Developing cross-browser extensions with web-ext 3.2.0
The web-ext tool was created at Mozilla to help you build browser extensions faster and more easily. Although our first launch focused on support for the desktop Firefox browser, followed by Firefox for Android, our vision was always to support cross-platform development once we shipped Firefox support. With the 3.2.0 release, you can finally use
web-extto truly build cross-platform extensions! -
Firefox’s New WebSocket Inspector
The Firefox DevTools team and our contributors were hard at work over the summer, getting Firefox 70 jam-packed with improvements. We are especially excited about our new WebSocket inspection feature. To use the inspector now, download Firefox Developer Edition, and open the DevTools’ Network panel to find the Messages tab. Then, keep reading to learn more about WebSockets and the tricks that the new panel has up its sleeve.
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The Mozilla Developer Roadshow Talks: Firefox, WebAssembly, CSS, WebXR and More
The Mozilla Developer Roadshow program launched in 2017 with the goal of bringing expert speakers and web technology updates to local communities through free events and partnerships. Check out the video playlist from our summer tour, with talks on topics like Mixed Reality, WebAssembly, modern CSS, and more. Or register now for an upcoming Roadshow event in Asia.
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Why is CSS So Weird?
CSS is the design language of the web — one of three core web languages — but it also seems to be the most contentious and often perplexing. It's too easy and too hard, too fragile and too resilient. Love it or hate it, CSS is weird: not quite markup, not quite programming in the common (imperative) sense, and nothing like the design programs we use for print. How did we get here?
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Video Shorts from Mozilla Developer
Today we’re launching a new video channel, with a selection of shorts to kick things off. Get started with an intro to Dark Mode on the web, by Deja Hodge. Then, Jen Simmons shows us how to access a handy third-panel in the Firefox Developer Tools. Miriam Suzanne has a video all about the
::markerpseudo-element and list counters. No matter your experience level or job description, we’re all working together towards the future health of the web, and Mozilla is here to help. -
WebHint in Firefox DevTools: Improve Compatibility, Accessibility and more
Creating experiences that look and work great across different browsers is one of the biggest challenges on the web. It can also be the most rewarding part, as it gets your app to as many users as possible. Testing legacy browsers late in the development process can break a feature that you spent hours on, even requiring rewrites to fix. What if the tools in your primary development browser could warn you sooner? With Webhint in Firefox DevTools, we can do exactly that, and more.
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Exploring Collaboration and Communication with Mozilla Hubs
As we look at advancements in mixed reality like the WebXR API, we are able to explore ways to feel more present with others through technology. Hubs by Mozilla is built on top of WebRTC and supports real-time conversations between users in a shared virtual environment. Users embody 3D models in the glTF format called avatars. The code powering Hubs is available online on GitHub under the MPL and we welcome contributions from the community.
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Moving Firefox to a faster 4-week release cycle
Building and releasing a browser is complicated and involves many players. To optimize the process, and make it more reliable for all users, over the years we’ve developed a phased release strategy that includes ‘pre-release’ channels: Firefox Nightly, Beta, and Developer Edition. Starting Q1 2020, we're making a change. We plan to start shipping a major Firefox release every 4 weeks!
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Caniuse and MDN compatibility data collaboration
Today we’re announcing the integration of MDN’s compat data into the caniuse website. Together, we’re bringing even more web compatibility information into the hands of web developers.
